Capt Kirk

I have a couple sets of open-tops (old ones from Navy Arms / Uberti), a good source to action job is to search for “tuning the uberti open top” for some great articles by Larsen E. Pettifogger, SASS #32933. But all I did was deburr the internals with jeweler file an lighten up the hammer spring slightly. They’re great / smooth shooters for many years. But only bring em out a few times per year an clean after every shoot.